All specifications subject to change without notice. Keyboard: 49-Note, synth action mid-sized keys Display: Multi-functional LCD Polyphony: 32 voice Preset Programs: 132 User Presets: 5 Percussion Pads: 5 Splits/Layers: No Transpose: Yes (+/- 6 semitones) Tune: No General MIDI: No Effects: On/Off Auto-Accompaniment Styles: 100 Recorder/Sequencer: Yes (1 user song) Music Library: 80 Songs Metronome: Yes Sound System: 2W + 2w, 2-speaker Headphone: (1) 1/4" stereo headphone out Pedal Ports: none Audio Line Out: Stereo 1/4" Mic In: Yes (mic sold separately) MIDI: via USB USB: port Dimensions: 8.2 cm (H) x 66.7 cm (W) x 24.5 cm (D) Weight: 4.9 lb / 2.2 Kg (without batteries) Power: 9VDC external power supply 6 C batteries